How do you plan on spending your retirement? Moving to Florida, or taking up painting, perhaps? Izzy Swan, a retired furniture shop owner, is spending his by making impossibly complex transforming furniture.

South Carolina-based Swan runs a site called Think Woodworks, where he posts projects like how to build a lathe and how to salvage wooden planks from those ubiquitous shipping pallets. He also builds transforming furniture that folds up and out in seconds—pieces that, considering the pieces are made out of so many moving parts, are pretty great. For example, check out what he calls "the world's fastest folding table," which disappears into its own carrying case: